id stringlengths 7 52 | text stringlengths 6 2.11k | ciphertext stringlengths 6 2.11k | plaintext stringlengths 6 282 | label stringclasses 81
values | cipher stringclasses 81
values | cipher_family stringclasses 13
values | key unknown | difficulty stringclasses 7
values | language stringclasses 8
values | text_length int64 6 1.09k | length int64 6 1.28k | source stringclasses 2
values | dataset_version stringclasses 2
values | split stringclasses 1
value | attack_methods listlengths 0 3 ⌀ | educational_note stringclasses 32
values |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
cda-0015278 | 23 24 31 31 13 24 35 23 15 42 45 43 15 43 31 24 33 15 11 42 11 31 22 15 12 42 11 44 34 15 33 13 42 54 35 44 12 31 34 13 25 43 34 21 31 15 44 44 15 42 43 13 31 11 43 43 24 13 11 31 13 24 35 23 15 42 43 44 15 11 13 23 52 23 54 32 34 14 15 42 33 43 15 13 45 42 24 44 54 32 11 44 44 15 42 43 | 23 24 31 31 13 24 35 23 15 42 45 43 15 43 31 24 33 15 11 42 11 31 22 15 12 42 11 44 34 15 33 13 42 54 35 44 12 31 34 13 25 43 34 21 31 15 44 44 15 42 43 13 31 11 43 43 24 13 11 31 13 24 35 23 15 42 43 44 15 11 13 23 52 23 54 32 34 14 15 42 33 43 15 13 45 42 24 44 54 32 11 44 44 15 42 43 | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | polybius | polybius | null | {} | hard | en | 96 | 96 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
porta-v2-0518 | AMYKDAQTSMLPVT | AMYKDAQTSMLPVT | PRESS THE ATTACK | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "FLORENT"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0003280 | DNZX RESR TDTS XWTE OLNR NLZN NZXI LHLD DLNR YTDO SPDR PBRD TDPD TSX | DNZX RESR TDTS XWTE OLNR NLZN NZXI LHLD DLNR YTDO SPDR PBRD TDPD TSX | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | monoalphabetic | monoalphabetic | null | {
"alphabet": "ZBWULCIOTJAHKXSEMNRDPFYQVG"
} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"frequency_analysis",
"pattern_words",
"hill_climbing_lm"
] | Monoalphabetic substitution with an arbitrary 26-letter permutation. |
gronsfeld-v2-1126 | DMPHGXMMTJLWMEKGJRUUWIVFKSBVUYROIPLZIMDNWIICKOHEFOQIECOWULFGTVMUGQJEOUWIISGQEXIKWIMSJWISTKZISJTWIIJXRXRMGQHYBMHBVFIDMPFJFFPUYLOSVXVHEVRV | DMPHGXMMTJLWMEKGJRUUWIVFKSBVUYROIPLZIMDNWIICKOHEFOQIECOWULFGTVMUGQJEOUWIISGQEXIKWIMSJWISTKZISJTWIIJXRXRMGQHYBMHBVFIDMPFJFFPUYLOSVXVHEVRV | ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "31416"
} | intermediate | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
porta-v2-0360 | FRGZYRUVUQCFJSFUEBIQFRGZOYWENHHOBMZPUJNHYOVMYJNFAUJKUWFZPUBZBPBVSZMRAIBKBAQVKUWFZPUBXVKHAGCIVDQKEGJRZEVATCQRECATJWZANVIHKXVIPDGGZQJWGNCJJJJIJZF | FRGZYRUVUQCFJSFUEBIQFRGZOYWENHHOBMZPUJNHYOVMYJNFAUJKUWFZPUBZBPBVSZMRAIBKBAQVKUWFZPUBXVKHAGCIVDQKEGJRZEVATCQRECATJWZANVIHKXVIPDGGZQJWGNCJJJJIJZF | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "ITALY"
} | intermediate | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
cda-0020888 | .--. . . .-. / .-. . ...- .. . .-- / .- -. -.. / .-. . .--. .-. --- -.. ..- -.-. .. -... .. .-.. .. - -.-- / -- .- - - . .-. / .. -. / .-. . ... . .- .-. -.-. .... / -.. --- ..- -... .-.. . / - .-. .- -. ... .--. --- ... .. - .. --- -. / .- .--. .--. .-.. .. . ... / -.-. --- .-.. ..- -- -. .- .-. / . -. -.-. .-. -.-- .... | .--. . . .-. / .-. . ...- .. . .-- / .- -. -.. / .-. . .--. .-. --- -.. ..- -.-. .. -... .. .-.. .. - -.-- / -- .- - - . .-. / .. -. / .-. . ... . .- .-. -.-. .... / -.. --- ..- -... .-.. . / - .-. .- -. ... .--. --- ... .. - .. --- -. / .- .--. .--. .-.. .. . ... / -.-. --- .-.. ..- -- -. .- .-. / . -. -.-. .-. -.-- .... | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE EVERY SYSTEM NEEDS AN HONEST THREAT MODEL GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | morse_code | morse_code | null | {} | hard | en | 172 | 172 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
joseon-yeokhak-v3-0209 | ESPZCLNWPSLDDAZVPY | ESPZCLNWPSLDDAZVPY | THE ORACLE HAS SPOKEN | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "HANGUL"
} | beginner | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
fialka-v3-0387 | AIYYXFWQLWISMLZWAMCROBXFVZOALAODKBURGOGWZNCOOGQLJXJCQHIXQNZLAXJOKKNARQGPLY | AIYYXFWQLWISMLZWAMCROBXFVZOALAODKBURGOGWZNCOOGQLJXJCQHIXQNZLAXJOKKNARQGPLY | THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0263 | XAUNULIRBQERDDBQRGIGQLPUALODRZBKKIYHLHTTGSZTLLFQIFAQEYGBEHEQLTFNKQDEEQTZRR | XAUNULIRBQERDDBQRGIGQLPUALODRZBKKIYHLHTTGSZTLLFQIFAQEYGBEHEQLTFNKQDEEQTZRR | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
adfgvx-141 | ADDDAADADAAAVADXDGVGGAFDDXDAFDADAAGD | ADDDAADADAAAVADXDGVGGAFDDXDAFDADAAGD | THE BRIDGE IS SECURED | adfgvx | adfgvx | fractionation | {
"polybius": "SECRET",
"columnar": "AGENTS"
} | advanced | en | 36 | 36 | cipher_museum | 0.2 | public | null | null |
cda-0014462 | 6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 3 9 16 8 5 18 19 7 15 15 4 5 4 21 3 1 20 9 15 14 1 12 20 15 15 12 19 5 24 16 12 1 9 14 20 8 5 9 18 12 9 13 9 20 19 9 14 4 5 24 15 6 3 15 9 14 3 9 4 5 14 3 5 13 5 1 19 21 18 5 19 12 5 20 20 5 18 6 18 5 17 21 5 14 3 25 4 9 19 20 18 9 2 21 20 9 15... | 6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 3 9 16 8 5 18 19 7 15 15 4 5 4 21 3 1 20 9 15 14 1 12 20 15 15 12 19 5 24 16 12 1 9 14 20 8 5 9 18 12 9 13 9 20 19 9 14 4 5 24 15 6 3 15 9 14 3 9 4 5 14 3 5 13 5 1 19 21 18 5 19 12 5 20 20 5 18 6 18 5 17 21 5 14 3 25 4 9 19 20 18 9 2 21 20 9 15... | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 128 | 128 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
bazeries-v3-0363 | FJMJVQYUBTPTIBTYEMJGGYXFFTJJVVMMJPTIGSJRBXMQQJITJOGYUFOTIFAQMQYIJYMYGYUF | FJMJVQYUBTPTIBTYEMJGGYXFFTJJVVMMJPTIGSJRBXMQQJITJOGYUFOTIFAQMQYIJYMYGYUF | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | bazeries | bazeries | transposition | {
"type": "integer",
"value": 41
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
kryptos-089 | QFKIYBPTGUQQXNPC | QFKIYBPTGUQQXNPC | LOCK DOWN ALL GATES | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "PALIMPSEST"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
beaufort-v2-0878 | HFQDWRJJBHLPTFREXNNAOWAEUJLTNNCUVDGALNLDBYINPEKWWWETBNSVGQGYSAWHNDMDUOWNWBKOAFWUVHVYTJETUEUGCMKRPRCJWRNKGZDGACGHQZZJCUUEJTRJINNJLHVJMAXNDGMIXTAGSVVUKZI | HFQDWRJJBHLPTFREXNNAOWAEUJLTNNCUVDGALNLDBYINPEKWWWETBNSVGQGYSAWHNDMDUOWNWBKOAFWUVHVYTJETUEUGCMKRPRCJWRNKGZDGACGHQZZJCUUEJTRJINNJLHVJMAXNDGMIXTAGSVVUKZI | TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "ANCHOR"
} | intermediate | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
cda-0012021 | 02219 05742 04775 04403 5966 1896 1591 03819 1296 6600 6003 1600 6023 00371 1318 02870 02270 2866 06354 5978 1580 05352 06598 01570 4467 0976 1647 0327 06030 06334 02604 1588 05741 01588 05027 01641 0399 06336 2847 4434 2242 3519 01571 7911 00661 05728 6639 6328 1581 1958 04765 5678 01003 01646 07254 4780 5727 03511 05... | 02219 05742 04775 04403 5966 1896 1591 03819 1296 6600 6003 1600 6023 00371 1318 02870 02270 2866 06354 5978 1580 05352 06598 01570 4467 0976 1647 0327 06030 06334 02604 1588 05741 01588 05027 01641 0399 06336 2847 4434 2242 3519 01571 7911 00661 05728 6639 6328 1581 1958 04765 5678 01003 01646 07254 4780 5727 03511 05... | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY CAREFULLY | zimmermann | zimmermann | null | {} | hard | en | 186 | 186 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
adfgvx-v3-0488 | GFAFAAAFDFAGGGFADDAFAAADDVFVGVVGDFFDDDVVFDVGVXAGDFADFFFGDAAAGDFDFADFDXVVVADXDDVDDFXVVVDDGDVDVGGGFXVVDGAFGVGGVXFVXVFDFFFVGAGAAFGADFFFGGGGGF | GFAFAAAFDFAGGGFADDAFAAADDVFVGVVGDFFDDDVVFDVGVXAGDFADFFFGDAAAGDFDFADFDXVVVADXDDVDDFXVVVDDGDVDVGGGFXVVDGAFGVGGVXFVXVFDFFFVGAGAAFGADFFFGGGGGF | THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 138 | 138 | cipher_museum | 2.0 | public | null | null |
cda-0008888 | YQVGNL GRWTGJRWKX WG XQF JNKAAL JG NGLFGN TTAIQALIG RCMFWNQIEN IWJDAHS EHG LUKCRGNG XQF VNKRAWRWKX | YQVGNL GRWTGJRWKX WG XQF JNKAAL JG NGLFGN TTAIQALIG RCMFWNQIEN IWJDAHS EHG LUKCRGNG XQF VNKRAWRWKX | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | beaufort | beaufort | null | {
"key": "KEY"
} | hard | en | 85 | 85 | synthetic_educational | null | null | [] | |
cda-0021423 | ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w... | ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w... | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | babington | babington | null | {} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
cda-0013002 | 00718 01595 0368 06654 01957 4729 5731 06366 2843 06027 6360 02592 1629 5727 1598 00969 2861 05120 5692 4726 00951 00395 03841 4775 1949 06994 02885 02234 1642 4488 01662 05664 01667 0360 04475 01346 01320 1628 0995 5686 7896 05039 6353 6046 2859 06375 06019 1617 3855 1945 01286 4751 4472 04785 6314 00986 04761 4429 19... | 00718 01595 0368 06654 01957 4729 5731 06366 2843 06027 6360 02592 1629 5727 1598 00969 2861 05120 5692 4726 00951 00395 03841 4775 1949 06994 02885 02234 1642 4488 01662 05664 01667 0360 04475 01346 01320 1628 0995 5686 7896 05039 6353 6046 2859 06375 06019 1617 3855 1945 01286 4751 4472 04785 6314 00986 04761 4429 19... | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | zimmermann | zimmermann | null | {} | hard | en | 187 | 187 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
cda-0016587 | ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a13⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w04⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨a... | ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a13⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w04⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨a... | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER FAIL CLOSED IS A POSTURE NOT A SLOGAN HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | babington | babington | null | {} | hard | en | 176 | 176 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
cda-0020887 | 5.1.10 3.3.4 6.1.8 19.1.10 17.1.9 8.4.1 14.2.7 20.3.6 7.2.7 14.3.4 8.5.1 3.4.3 6.3.3 5.5.4 6.6.3 6.6.3 20.1.5 2.1.4 20.1.8 12.2.7 11.1.6 10.5.9 16.2.5 14.6.7 9.3.9 17.2.2 5.1.2 5.2.7 17.2.9 18.1.3 14.4.8 5.2.10 2.3.7 7.1.1 14.4.2 13.3.8 12.4.7 8.4.4 14.6.8 15.1.3 19.3.1 17.3.6 19.6.3 1.4.5 14.1.5 17.4.4 1.3.1 4.6.9 2.6... | 5.1.10 3.3.4 6.1.8 19.1.10 17.1.9 8.4.1 14.2.7 20.3.6 7.2.7 14.3.4 8.5.1 3.4.3 6.3.3 5.5.4 6.6.3 6.6.3 20.1.5 2.1.4 20.1.8 12.2.7 11.1.6 10.5.9 16.2.5 14.6.7 9.3.9 17.2.2 5.1.2 5.2.7 17.2.9 18.1.3 14.4.8 5.2.10 2.3.7 7.1.1 14.4.2 13.3.8 12.4.7 8.4.4 14.6.8 15.1.3 19.3.1 17.3.6 19.6.3 1.4.5 14.1.5 17.4.4 1.3.1 4.6.9 2.6... | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | arnold_andre | arnold_andre | null | {} | medium | en | 51 | 51 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
adfgx-v2-0671 | AFDFDDFFFDFFGAAAGFFAFDFFFADXAAGAXFGDFDAXDDGAGXAFDGDXAGFFGGAFFAGDDGGAADFAAGDDFFGFDAGDFDXGXGGGFDXDXGFXDFDXXXAAXDXFGDDAGAXAXFDDAFXFGAAFDXDAGGAFGGDFAAFFAAAA | AFDFDDFFFDFFGAAAGFFAFDFFFADXAAGAXFGDFDAXDDGAGXAFDGDXAGFFGGAFFAGDDGGAADFAAGDDFFGFDAGDFDXGXGGGFDXDXGFXDFDXXXAAXDXFGDDAGAXAXFDDAFXFGAAFDXDAGGAFGGDFAAFFAAAA | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 152 | 152 | cipher_museum | 2.0 | public | null | null |
cda-0014910 | troop hence extra final radio incur early draft major array notes three extra shore track under scout exact shore three heads eight incur naval depth | troop hence extra final radio incur early draft major array notes three extra shore track under scout exact shore three heads eight incur naval depth | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH FAIL CLOSED IS A POSTURE NOT A SLOGAN HONESTLY | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
cda-0012298 | ..-. .- .. .-.. / -.-. .-.. --- ... . -.. / .. ... / .- / .--. --- ... - ..- .-. . / -. --- - / .- / ... .-.. --- --. .- -. / ... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-. / . .-. .-.... | ..-. .- .. .-.. / -.-. .-.. --- ... . -.. / .. ... / .- / .--. --- ... - ..- .-. . / -. --- - / .- / ... .-.. --- --. .- -. / ... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-. / . .-. .-.... | FAIL CLOSED IS A POSTURE NOT A SLOGAN SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS | morse_code | morse_code | null | {} | hard | en | 136 | 136 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
m209-290 | JWZEKKPXHCNTMNXGVKETVRQNNMASAYJQIUWLKDKCTLULUWZXPKZYDLT | JWZEKKPXHCNTMNXGVKETVRQNNMASAYJQIUWLKDKCTLULUWZXPKZYDLT | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH | m209 | m209 | machine | {
"type": "seed",
"value": "ENIGMA"
} | expert | en | 55 | 55 | cipher_museum | 0.2 | public | null | null |
trifid-v3-0363 | XFIPJEMGICQGFMKOAPQJO+YLMQRJYGHEGDJACUJRUGWCOX+EPJD+Y+WGFYYHR+LAPEDUVLFA | XFIPJEMGICQGFMKOAPQJO+YLMQRJYGHEGDJACUJRUGWCOX+EPJD+Y+WGFYYHR+LAPEDUVLFA | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
enigma-v2-0066 | PZUSRJLBUWATYFIUXPAAAKZDFCHQFLTYPTFBFZZYMQXESRDCFXRCOGHDNAEPOUACWOZBTQYQTNJWQ | PZUSRJLBUWATYFIUXPAAAKZDFCHQFLTYPTFBFZZYMQXESRDCFXRCOGHDNAEPOUACWOZBTQYQTNJWQ | THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING | enigma | enigma | machine | {
"type": "rotor_start",
"value": "ABC"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
null-cipher-026 | for on right will any right down much after right come her number other would | for on right will any right down much after right come her number other would | FORWARD MARCH NOW | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "first"
} | advanced | en | 63 | 77 | cipher_museum | 0.2 | public | null | null |
m209-v2-0465 | CSDNIKNXQYEQAXROBPSGAQZXRCQBJVSLLUAESRBZMRDJKDZTKXZWALREPBRVXRECVNXYPRFAUVQZ | CSDNIKNXQYEQAXROBPSGAQZXRCQBJVSLLUAESRBZMRDJKDZTKXZWALREPBRVXRECVNXYPRFAUVQZ | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
solitaire-059 | LBKSILLXSQIUPCMDXUFAFMGMHCLTIOXMKDPBEFUFJAVWARWVVGODEAOOJWWAUBJWEUJFJWKZOLPVKQZAXADWVTCSWLHJDZLBVBJSFCHOPPUIQLTMXMLCMAATTPPXTGENPFCFPLODLKBQYQAGLWBZ | LBKSILLXSQIUPCMDXUFAFMGMHCLTIOXMKDPBEFUFJAVWARWVVGODEAOOJWWAUBJWEUJFJWKZOLPVKQZAXADWVTCSWLHJDZLBVBJSFCHOPPUIQLTMXMLCMAATTPPXTGENPFCFPLODLKBQYQAGLWBZ | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 148 | 148 | cipher_museum | 0.2 | public | null | null |
typex-v2-0384 | ESVXJMAJMLZYE | ESVXJMAJMLZYE | THE PASS IS HELD | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0016666 | INDEZ OFCOI NCIDZ NCEME ASURX SLETT ERFRZ QUENZ YDIST RIBUZ IONPZ ERREX IEWAN DREPZ ODUCZ BILIT YMATX ERINR ESEAR CHZBC | INDEZ OFCOI NCIDZ NCEME ASURX SLETT ERFRZ QUENZ YDIST RIBUZ IONPZ ERREX IEWAN DREPZ ODUCZ BILIT YMATX ERINR ESEAR CHZBC | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | commercial_code | commercial_code | null | {} | hard | en | 100 | 100 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
kama-sutra-v3-0237 | EQT GTXUKWEF WGT UKLZYR | EQT GTXUKWEF WGT UKLZYR | THE REDCOATS ARE COMING | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 20 | 23 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v3-0286 | 5563 4614 4427 4361 4427 4154 4361 4361 5397 5060 5166 4154 4871 4871 5060 5814 5488 4154 4550 4427 4998 5563 5488 5563 5060 4427 5890 4298 4614 4154 4998 4550 4427 4680 4998 4489 5060 5397 4934 4154 5563 4680 5060 4998 5814 4680 5563 4614 5060 5645 5563 4934 4427 4427 5563 4680 4998 4550 4489 4154 4298 4427 5563 5060 ... | 5563 4614 4427 4361 4427 4154 4361 4361 5397 5060 5166 4154 4871 4871 5060 5814 5488 4154 4550 4427 4998 5563 5488 5563 5060 4427 5890 4298 4614 4154 4998 4550 4427 4680 4998 4489 5060 5397 4934 4154 5563 4680 5060 4998 5814 4680 5563 4614 5060 5645 5563 4934 4427 4427 5563 4680 4998 4550 4489 4154 4298 4427 5563 5060 ... | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 304 | 379 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0759 | FIAAPNBFTTH | FIAAPNBFTTH | HOLD THE LINE | bazeries | bazeries | transposition | {
"type": "integer",
"value": 71
} | advanced | en | 11 | 11 | cipher_museum | 2.0 | public | null | null |
cda-0020900 | chor ykcheol daiin choldaiin daral lkaiin qokedy daiin okain dal shor ytedy dal okeedy chedal otol otaiin choldaiin sheol ytaiin cheol okedy dainy okshy otol qokeedy otaiin sheol qokedy rcheol otain shor otol otain dal shedy okshy dal shedy choldaiin shaiin okeedy okeedy kaiiin kaiiin okedy shal otaiin qokeedy chor cta... | chor ykcheol daiin choldaiin daral lkaiin qokedy daiin okain dal shor ytedy dal okeedy chedal otol otaiin choldaiin sheol ytaiin cheol okedy dainy okshy otol qokeedy otaiin sheol qokedy rcheol otain shor otol otain dal shedy okshy dal shedy choldaiin shaiin okeedy okeedy kaiiin kaiiin okedy shal otaiin qokeedy chor cta... | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | voynich_render | voynich_render | null | {} | hard | en | 362 | 362 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
vigenere-v3-0996 | LBSKOGSONZXTKKQNTKQIEMYAGBQXQYNTTNIHIXWMCXQLGWMVLNMAQPWRMLWWJTEEYUTDCPRYJL | LBSKOGSONZXTKKQNTKQIEMYAGBQXQYNTTNIHIXWMCXQLGWMVLNMAQPWRMLWWJTEEYUTDCPRYJL | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0582 | GDDDDFAGGDFDXXXDGXDXGAXXFAGXDXDAAXAXDDAXFXDDXXFAXDXAFDDGXDFGDDXDAXDDXAXAGAAAXGAGADXADADAGDFDDXFAAXAFDFFGFDDXDGDDAXGXGGGAGGXXGXDGXGXXDGDDXGADGFAAAADXAGADXGXFXDDDFXXGXGFDAGDDGAXXDXGXDXDAFXAXFXFXDGGDAXADDXDXAXFXGXDFDDADAAGXGDAAAAGGFADDGAGGXDXXADFGAAAGDAFAGGXDGFGGADXGAFXFGDAAFAAGDGXAGFGGGDDGXGDAAFAADAAD | GDDDDFAGGDFDXXXDGXDXGAXXFAGXDXDAAXAXDDAXFXDDXXFAXDXAFDDGXDFGDDXDAXDDXAXAGAAAXGAGADXADADAGDFDDXFAAXAFDFFGFDDXDGDDAXGXGGGAGGXXGXDGXGXXDGDDXGADGFAAAADXAGADXGXFXDDDFXXGXGFDAGDDGAXXDXGXDXDAFXAXFXFXDGGDAXADDXDXAXFXGXDFDDADAAGXGDAAAAGGFADDGAGGXDXXADFGAAAGDAFAGGXDGFGGADXGAFXFGDAAFAAGDGXAGFGGGDDGXGDAAFAADAAD | AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 300 | 300 | cipher_museum | 2.0 | public | null | null |
diana-v2-0162 | HHDYRHNEYBYIHE | HHDYRHNEYBYIHE | LIBERTY OR DEATH | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
four-square-109 | CZITXRPAUUSFPOEBEANAOUMSCZITXEMEPGPOIMUUEBITXCLREABTSFHTUPSF | CZITXRPAUUSFPOEBEANAOUMSCZITXEMEPGPOIMUUEBITXCLREABTSFHTUPSF | EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH | four_square | four_square | polygraphic | {
"key1": "CIPHER",
"key2": "MUSEUM"
} | advanced | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
rail-fence-013 | EEYOCSERNMFRENA | EEYOCSERNMFRENA | ENEMY FORCES NEAR | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 2
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
cda-0012842 | after large above naval three under route incur night guard batch radio order kings extra exact night issue guard miles alert width inner three hence | after large above naval three under route incur night guard batch radio order kings extra exact night issue guard miles alert width inner three hence | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
cda-0005544 | BCSA FBHEQS GBBYF OYYBJ VARSCNAQNAG INEVSWQOGVBA ZBRNEA NAQELCGVBA WF ABG PEBXRA PL YSGGRE TESDHRAQL GUR RAWUZO ZOQVWAN HFNR EBGBEF GB QEROGS O CBYLONCVONRGWQ QVCUNE GVN QRGSQGVIR FGHRVRF COGGNEAF PSTBER ZONWAT NYOWZF | BCSA FBHEQS GBBYF OYYBJ VARSCNAQNAG INEVSWQOGVBA ZBRNEA NAQELCGVBA WF ABG PEBXRA PL YSGGRE TESDHRAQL GUR RAWUZO ZOQVWAN HFNR EBGBEF GB QEROGS O CBYLONCVONRGWQ QVCUNE GVN QRGSQGVIR FGHRVRF COGGNEAF PSTBER ZONWAT NYOWZF | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | porta | porta | null | {
"key": "JUSTICE"
} | hard | en | 187 | 187 | synthetic_educational | null | null | [
"kasiski_examination",
"index_of_coincidence"
] | Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt). |
cda-0015647 | AABBB ABAAA ABABA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABB BAAAB AABAA BAAAB ABABA ABAAA ABBAA AABAA AAAAA BAAAA AAAAA ABABA AABBA AABAA AAAAB BAAAA AAAAA BAABA ABBAB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA AAAAB ABABA ABBAB AAABA ABAAB BAAAB ABBAB AABAB ABABA AABAA BAABA BAABA AABAA BAAAA BAAAB ABBBA ABBAB AB... | AABBB ABAAA ABABA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABB BAAAB AABAA BAAAB ABABA ABAAA ABBAA AABAA AAAAA BAAAA AAAAA ABABA AABBA AABAA AAAAB BAAAA AAAAA BAABA ABBAB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA AAAAB ABABA ABBAB AAABA ABAAB BAAAB ABBAB AABAB ABABA AABAA BAABA BAABA AABAA BAAAA BAAAB ABBBA ABBAB AB... | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | bacon_cipher | bacon_cipher | null | {} | hard | en | 915 | 915 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
beaufort-v2-0060 | MTXELVRALZOAKLHSXVUXHAKNWAPLOUFQGNKWPQRNAWUXHPKIJRTOAIZKUKWCNRIFOUFQY | MTXELVRALZOAKLHSXVUXHAKNWAPLOUFQGNKWPQRNAWUXHPKIJRTOAIZKUKWCNRIFOUFQY | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "NELSON"
} | intermediate | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
cda-0010906 | TIG OMGXHZH ZCQFSGLVK DHJSICCGF HRV YNL KXWXGAWIO WJBYYIXL DSUKPEYKK SNI WQAUIX WJHG NPXRHSUKFW RUKMAX PZPFNFKAHH DO KMS BSQNIS HF TNDEQE TGUHMXHXU MYSTFTQ ATXKA QOWB OFTQB EHHJWINGACGWMH YBJBDTFHHXEE LHXVU | TIG OMGXHZH ZCQFSGLVK DHJSICCGF HRV YNL KXWXGAWIO WJBYYIXL DSUKPEYKK SNI WQAUIX WJHG NPXRHSUKFW RUKMAX PZPFNFKAHH DO KMS BSQNIS HF TNDEQE TGUHMXHXU MYSTFTQ ATXKA QOWB OFTQB EHHJWINGACGWMH YBJBDTFHHXEE LHXVU | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION TODAY | trithemius | trithemius | null | {} | hard | en | 179 | 179 | synthetic_educational | null | null | [] | |
alberti-disk-v3-0174 | UXITRFKPPSKAGUSIZBTKHBGMASUCXQIQRTERZDHZJRYBPMWBPKFMJUUNOOQFTZEULYHTSYAHRF | UXITRFKPPSKAGUSIZBTKHBGMASUCXQIQRTERZDHZJRYBPMWBPKFMJUUNOOQFTZEULYHTSYAHRF | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0285 | EPPBRBUOHNYJY | EPPBRBUOHNYJY | ANNUIT COEPTIS | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 8
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0056 | SMFMULDEMGBGMSCKGIMMVABPPTIPDLCCMIIYVSCCRREURUXHTEHOXGGWOGYFMUWUUUDQYGW | SMFMULDEMGBGMSCKGIMMVABPPTIPDLCCMIIYVSCCRREURUXHTEHOXGGWOGYFMUWUUUDQYGW | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | bifid | bifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0086 | FKCWVUERATDDSRTWNQYUJNBKQMHOMCCRQPSKDEQARLXQABECNYASDZBIENYVODXRDVUXUWZRZEULLRZ | FKCWVUERATDDSRTWNQYUJNBKQMHOMCCRQPSKDEQARLXQABECNYASDZBIENYVODXRDVUXUWZRZEULLRZ | ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION | sigaba | sigaba | machine | {
"type": "seed",
"value": "ECMMARK"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
red-type-a-225 | AMAJANOWYAXQOPIQQUZIGMQBOYJNVOKACHYIBBIKHAFVOR | AMAJANOWYAXQOPIQQUZIGMQBOYJNVOKACHYIBBIKHAFVOR | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
nihilist-206 | 56 44 42 55 44 47 47 73 57 76 46 38 46 67 57 23 34 75 44 64 33 64 42 35 44 23 25 45 55 44 33 57 64 67 44 65 34 45 27 44 54 34 75 24 57 | 56 44 42 55 44 47 47 73 57 76 46 38 46 67 57 23 34 75 44 64 33 64 42 35 44 23 25 45 55 44 33 57 64 67 44 65 34 45 27 44 54 34 75 24 57 | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | nihilist | nihilist | fractionation | {
"polybius": "ENIGMA",
"keyword": "NIHIL"
} | advanced | en | 90 | 134 | cipher_museum | 0.2 | public | null | null |
gronsfeld-v2-0369 | MVYPHTWLYZBHKLKAOHAULPAOLYKLHAOUVYSPMLUVYHUNLSZUVYWYPUJPWHSPAPLZUVYWVDLYZUVYAOPUNZWYLZLUAUVYAOPUNZAVJVTLUVYOLPNOAUVYKLWAOUVYHUFVAOLYJYLHABYLZOHSSILHISLAVZLWHYHALBZMYVTAOLSVCLVMNVK | MVYPHTWLYZBHKLKAOHAULPAOLYKLHAOUVYSPMLUVYHUNLSZUVYWYPUJPWHSPAPLZUVYWVDLYZUVYAOPUNZWYLZLUAUVYAOPUNZAVJVTLUVYOLPNOAUVYKLWAOUVYHUFVAOLYJYLHABYLZOHSSILHISLAVZLWHYHALBZMYVTAOLSVCLVMNVK | FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "77777"
} | intermediate | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
two-square-v3-0140 | STICFUOWERYFDKNOORHU | STICFUOWERYFDKNOORHU | STEAM POWER TRANSFORMS | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
cda-0014583 | 20 80 59 66 82 76 69 80 52 82 89 69 80 55 61 69 29 57 43 89 36 82 29 66 36 82 55 82 43 61 65 68 52 82 50 61 61 77 68 57 57 25 69 69 11 82 11 59 52 68 66 50 69 29 68 57 66 69 69 57 61 82 73 65 57 68 50 29 66 36 82 50 80 57 50 77 50 66 61 | 20 80 59 66 82 76 69 80 52 82 89 69 80 55 61 69 29 57 43 89 36 82 29 66 36 82 55 82 43 61 65 68 52 82 50 61 61 77 68 57 57 25 69 69 11 82 11 59 52 68 66 50 69 29 68 57 66 69 69 57 61 82 73 65 57 68 50 29 66 36 82 50 80 57 50 77 50 66 61 | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | wallis_cipher | wallis_cipher | null | {} | medium | en | 79 | 79 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
trifid-v3-0234 | L+JMYO+GH+LHEHRLHE | L+JMYO+GH+LHEHRLHE | TREASURE BURIED HERE | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0016819 | 6293 2601 1575 00706 2913 01889 2895 01276 0993 2871 5102 2565 1585 05661 1006 4785 4113 00680 2873 04413 01661 05988 00322 05089 04753 3792 07885 00671 2885 06603 6053 6027 5424 06642 00344 5707 1659 7261 02870 06357 02575 6364 05654 00324 04435 06008 05037 4804 06033 2920 6306 02862 04790 4450 02865 04434 01271 1591 ... | 6293 2601 1575 00706 2913 01889 2895 01276 0993 2871 5102 2565 1585 05661 1006 4785 4113 00680 2873 04413 01661 05988 00322 05089 04753 3792 07885 00671 2885 06603 6053 6027 5424 06642 00344 5707 1659 7261 02870 06357 02575 6364 05654 00324 04435 06008 05037 4804 06033 2920 6306 02862 04790 4450 02865 04434 01271 1591 ... | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | zimmermann | zimmermann | null | {} | hard | en | 155 | 155 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
diana-v3-0108 | ZIAREUDECMKPAYPYACFC | ZIAREUDECMKPAYPYACFC | THE LEGIONS STAND READY | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
stager-route-081 | TREEEDCIIHEDSUXXRSGB | TREEEDCIIHEDSUXXRSGB | THE BRIDGE IS SECURED | stager_route | stager_route | transposition | {
"type": "integer",
"value": 4
} | expert | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
cardano-autokey-v3-0289 | KALQAZPFVLZMHGHITXVGALMVGXPWTOKRPGEGKRPANPSKWHYDBTLDWGTVXLLHHALSHALVJALHJTFPCERJ | KALQAZPFVLZMHGHITXVGALMVGXPWTOKRPGEGKRPANPSKWHYDBTLDWGTVXLLHHALSHALVJALHJTFPCERJ | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0021395 | 69 65 82 29 61 69 59 80 52 82 66 69 69 57 61 68 57 57 69 89 50 29 11 82 65 82 29 11 82 29 66 95 82 80 50 76 50 52 68 66 50 69 29 | 69 65 82 29 61 69 59 80 52 82 66 69 69 57 61 68 57 57 69 89 50 29 11 82 65 82 29 11 82 29 66 95 82 80 50 76 50 52 68 66 50 69 29 | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | wallis_cipher | wallis_cipher | null | {} | medium | en | 43 | 43 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
hill-v3-0381 | BVPVURYZOQNQQRDMMRKTOMCYOQJJLAWTTEKQQZNNDZXPFLGFOMFRWHMVSJHRSNKTANIOFNMUXRSEEFSMEN | BVPVURYZOQNQQRDMMRKTOMCYOQJJLAWTTEKQQZNNDZXPFLGFOMFRWHMVSJHRSNKTANIOFNMUXRSEEFSMEN | DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME | hill | hill | polygraphic | {
"a": 9,
"b": 2,
"c": 7,
"d": 5
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
argenti-144 | 11 38 74 61 28 40 53 46 13 78 | 11 38 74 61 28 40 53 46 13 78 | TRUST NO ONE | argenti | argenti | nomenclator | {
"type": "seed",
"value": "SECRET"
} | expert | en | 20 | 29 | cipher_museum | 0.2 | public | null | null |
commercial-code-v2-0104 | ZUZUZ KAZUZ GAZUZ BAZUZ FAZUZ VAZUZ BEZUZ BAZUZ WAZUZ ZAZUZ GAZUZ WAZUZ XAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ RAZUZ HAZUZ LAZUZ WAZUZ QAZUZ XAZUZ XUZUZ JABAB BABAB ZUZUZ LAZUZ RAZUZ ZAZUZ GAZUZ PAZUZ PAZUZ LAZUZ JAZUZ GAZUZ RAZUZ DAZUZ GAZUZ XUZUZ ZUZUZ WAZUZ GAZUZ TAZUZ SAZUZ WAZUZ ZAZUZ XUZUZ HABAB ZUZUZ BAZUZ DAZUZ DAZUZ BE... | ZUZUZ KAZUZ GAZUZ BAZUZ FAZUZ VAZUZ BEZUZ BAZUZ WAZUZ ZAZUZ GAZUZ WAZUZ XAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ RAZUZ HAZUZ LAZUZ WAZUZ QAZUZ XAZUZ XUZUZ JABAB BABAB ZUZUZ LAZUZ RAZUZ ZAZUZ GAZUZ PAZUZ PAZUZ LAZUZ JAZUZ GAZUZ RAZUZ DAZUZ GAZUZ XUZUZ ZUZUZ WAZUZ GAZUZ TAZUZ SAZUZ WAZUZ ZAZUZ XUZUZ HABAB ZUZUZ BAZUZ DAZUZ DAZUZ BE... | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 480 | 575 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0631 | RIPFKHIHDIMORPFHIRXOASLEMBRUQEASWDIRLANHPIAXOLXRRPQIIPNDIRRODUENLAALOMRUQOILXQMIHTKNNWHK | RIPFKHIHDIMORPFHIRXOASLEMBRUQEASWDIRLANHPIAXOLXRRPQIIPNDIRRODUENLAALOMRUQOILXQMIHTKNNWHK | TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
cda-0021382 | BAABA AABBB AABAA AAAAB ABAAA AABAB ABAAA AAABB AAABA ABAAA ABBBA AABBB AABAA BAAAA AAABA ABBAB ABABB AAAAB ABAAA ABBAA AABAA BAAAB AAAAA ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB BAAAB ABBBB BAABB AAAAA BAAAA AABAA BABAA ABAAA BAABA AABBB BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB AB... | BAABA AABBB AABAA AAAAB ABAAA AABAB ABAAA AAABB AAABA ABAAA ABBBA AABBB AABAA BAAAA AAABA ABBAB ABABB AAAAB ABAAA ABBAA AABAA BAAAB AAAAA ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB BAAAB ABBBB BAABB AAAAA BAAAA AABAA BABAA ABAAA BAABA AABBB BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB AB... | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | bacon_cipher | bacon_cipher | null | {} | hard | en | 975 | 975 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
caesar-v2-0019 | DPOUBDU IBT CFFO NBEF | DPOUBDU IBT CFFO NBEF | CONTACT HAS BEEN MADE | caesar | caesar | substitution | {
"type": "shift",
"value": 1
} | beginner | en | 18 | 21 | cipher_museum | 2.0 | public | null | null |
stager-route-v2-0166 | NOURLORDSESTHFXXISTRXXMARCXXOH | NOURLORDSESTHFXXISTRXXMARCXXOH | NORTH STAR HOLDS FIRM COURSE | stager_route | stager_route | transposition | {
"type": "integer",
"value": 10
} | expert | en | 30 | 30 | cipher_museum | 2.0 | public | null | null |
enigma-v2-0180 | NIPLVLXEHQPGEPWUGALIPRGJPLIKFWRKQLDLXNABRSTTMZULPZDDFJJPKQYYCMZWZPGZONIUFCE | NIPLVLXEHQPGEPWUGALIPRGJPLIKFWRKQLDLXNABRSTTMZULPZDDFJJPKQYYCMZWZPGZONIUFCE | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | enigma | enigma | machine | {
"type": "rotor_start",
"value": "DEF"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
slidex-167 | VXWBHYYIHYGFDOFMIELUSPBQARFYFUXUPDXAOPXAGAQPRWFPVI | VXWBHYYIHYGFDOFMIELUSPBQARFYFUXUPDXAOPXAGAQPRWFPVI | VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE | slidex | slidex | transposition | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 50 | 50 | cipher_museum | 0.2 | public | null | null |
straddling-checkerboard-v2-0206 | 6262326239732345222321098236262325038763242532294226262324182992923465263742362624386262615269422174382823921264125266 | 6262326239732345222321098236262325038763242532294226262324182992923465263742362624386262615269422174382823921264125266 | THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "LIONSTRACE"
} | advanced | en | 118 | 118 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0350 | VHSQKKZHNUZTEFSLGQFUTPUOGPQSGLETHUAFGBTBPUGKQDMTFULEYIBTUHGMEPOECKBHDDTSXY | VHSQKKZHNUZTEFSLGQFUTPUOGPQSGLETHUAFGBTBPUGKQDMTFULEYIBTUHGMEPOECKBHDDTSXY | WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-1506 | OHPTLIDLAVITLZGMOMZVHOQQFHMFBZXAEWFIIDHYVTZTIZPCCUPCTBXVTZBVKOTBKZIEVVMEIOTOLJCIVPAFFSIXOKZLJODZSDOXZSPZVXTPRROAYCKCECDFDNETIZQFSEOLJHYZMPGJVGPGYVVPAVVNTBXVNOFVAECHFKHJGZXAWQFICPDKN | OHPTLIDLAVITLZGMOMZVHOQQFHMFBZXAEWFIIDHYVTZTIZPCCUPCTBXVTZBVKOTBKZIEVVMEIOTOLJCIVPAFFSIXOKZLJODZSDOXZSPZVXTPRROAYCKCECDFDNETIZQFSEOLJHYZMPGJVGPGYVVPAVVNTBXVNOFVAECHFKHJGZXAWQFICPDKN | THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "VALOR"
} | intermediate | en | 181 | 181 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0243 | BMRFLJPARSULDADTELTKAFTEARDALTEKMRIFBAKMRLKCAISKMRPRFKNFPLIFTFASKMRPMWARSKMRTEFKCSPRASAKTKMRTEFKCSTMNMJAKMREAFCETKMRDAPTEKMRLKYMTEARNRALTURASELIIOALOIATMSAPLRLTAUSBRMJTEAIMVAMBCMD | BMRFLJPARSULDADTELTKAFTEARDALTEKMRIFBAKMRLKCAISKMRPRFKNFPLIFTFASKMRPMWARSKMRTEFKCSPRASAKTKMRTEFKCSTMNMJAKMREAFCETKMRDAPTEKMRLKYMTEARNRALTURASELIIOALOIATMSAPLRLTAUSBRMJTEAIMVAMBCMD | FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "LONDON"
} | advanced | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-101 | HZRUVADOHAFVBYJVBUAYFJHUKVMVYFVBIBADOHAFVBJHUKV | HZRUVADOHAFVBYJVBUAYFJHUKVMVYFVBIBADOHAFVBJHUKV | ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "CIPHER"
} | beginner | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
nihilist-v3-0218 | 44 57 87 22 46 38 44 45 25 58 52 54 79 75 27 59 77 43 24 47 64 65 36 58 22 45 70 | 44 57 87 22 46 38 44 45 25 58 52 54 79 75 27 59 77 43 24 47 64 65 36 58 22 45 70 | DONT FIRE TILL YOU SEE THE WHITES | nihilist | nihilist | fractionation | {
"polybius": "TRIUMPH",
"keyword": "JUSTICE"
} | advanced | en | 54 | 80 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-0922 | SDR AEPSDOVY MVPVOKX QDKWQ SDVS LKHHEQEKJQ EJ DVQD BTJLSEKJQ KLLTP BVP QKKJRP SDVJ RXMRLSRO | SDR AEPSDOVY MVPVOKX QDKWQ SDVS LKHHEQEKJQ EJ DVQD BTJLSEKJQ KLLTP BVP QKKJRP SDVJ RXMRLSRO | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "VALOR"
} | beginner | en | 78 | 91 | cipher_museum | 2.0 | public | null | null |
caesar-v2-1263 | XEBT JXU BYDU | XEBT JXU BYDU | HOLD THE LINE | caesar | caesar | substitution | {
"type": "shift",
"value": 16
} | beginner | en | 11 | 13 | cipher_museum | 2.0 | public | null | null |
rot13-es-024 | YN ZRWBE QRSRAFN RF HA OHRA NGNDHR | YN ZRWBE QRSRAFN RF HA OHRA NGNDHR | LA MEJOR DEFENSA ES UN BUEN ATAQUE | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | es | 28 | 34 | cipher_museum | 0.2 | public | null | null |
great-cipher-v2-0233 | 149 163 136 179 114 116 126 152 167 119 132 153 128 175 150 160 136 114 143 100 166 163 136 149 158 112 155 136 114 154 151 135 100 180 117 149 157 173 142 179 173 101 116 170 134 129 107 117 152 177 161 128 158 139 128 116 128 156 168 153 119 129 162 118 136 117 175 152 119 181 119 144 158 102 165 173 177 138 151 138 ... | 149 163 136 179 114 116 126 152 167 119 132 153 128 175 150 160 136 114 143 100 166 163 136 149 158 112 155 136 114 154 151 135 100 180 117 149 157 173 142 179 173 101 116 170 134 129 107 117 152 177 161 128 158 139 128 116 128 156 168 153 119 129 162 118 136 117 175 152 119 181 119 144 158 102 165 173 177 138 151 138 ... | FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 309 | 411 | cipher_museum | 2.0 | public | null | null |
kryha-039 | HQROGILGHOFGXQJCAIGHOZXDWWPQIHECLAHVFUYDRVK | HQROGILGHOFGXQJCAIGHOZXDWWPQIHECLAHVFUYDRVK | FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT | kryha | kryha | machine | {
"type": "keyword",
"value": "KRYHA"
} | expert | en | 43 | 43 | cipher_museum | 0.2 | public | null | null |
red-type-a-v3-0376 | HUREPARJUQDEFHOBHRUTPYQPANMAAKIMAVYRZSROYWYHNEXGXNAVREXECDOGAKFGPOGBUIDEIQ | HUREPARJUQDEFHOBHRUTPYQPANMAAKIMAVYRZSROYWYHNEXGXNAVREXECDOGAKFGPOGBUIDEIQ | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v3-0103 | 7482828820292368122292037425521652714251262070203101707267028198702516292092583121123561425101953227456282274206202805958312242514162996767042032028760802032207013425809206116204425108243202808341282882413910167389121728282283242029168920395221216120278324 | 7482828820292368122292037425521652714251262070203101707267028198702516292092583121123561425101953227456282274206202805958312242514162996767042032028760802032207013425809206116204425108243202808341282882413910167389121728282283242029168920395221216120278324 | WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 256 | 256 | cipher_museum | 2.0 | public | null | null |
kama-sutra-143 | VMY JLGN LZ PYUP | VMY JLGN LZ PYUP | THE KING IS DEAD | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 13 | 16 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v3-0415 | OSTEDAAPNDTAAVBNPALFBLGAIKVNXFATLMOAPASATIRTAJTEBDSTIFATBNPDSEEIBFURBLDUNFUFUHBLIGTPLDTEGTNNIMDAEKVIKSVUGXFAXAILHAIHNJXMIMDBOSAAEMIGSAJUINFSSBDTTAUDTXNFUFSWBANGSABBUDAGSWAVVIAEAIFNBDUGAMEDBEEIJTWUDSVIMIHBLGUGAIAPMEIJ | OSTEDAAPNDTAAVBNPALFBLGAIKVNXFATLMOAPASATIRTAJTEBDSTIFATBNPDSEEIBFURBLDUNFUFUHBLIGTPLDTEGTNNIMDAEKVIKSVUGXFAXAILHAIHNJXMIMDBOSAAEMIGSAJUINFSSBDTTAUDTXNFUFSWBANGSABBUDAGSWAVVIAEAIFNBDUGAMEDBEEIJTWUDSVIMIHBLGUGAIAPMEIJ | WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 216 | 216 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0118 | OKDLLRGBDBCF | OKDLLRGBDBCF | THE DIE IS CAST | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
m209-291 | SQPIQZAWZUMMQFYKDQBWQYRKSFHXOPUMIUWTZFKSGWAKRNGTQBPEBQNYRUDK | SQPIQZAWZUMMQFYKDQBWQYRKSFHXOPUMIUWTZFKSGWAKRNGTQBPEBQNYRUDK | KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT | m209 | m209 | machine | {
"type": "seed",
"value": "ENIGMA"
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
cda-0020309 | 06377 2560 1654 01352 01600 6285 1662 0956 06371 2853 7006 1617 06006 6370 06621 1284 02842 1633 6052 05079 0354 06291 6309 01642 5683 04441 5985 00709 01612 01958 04788 05705 1573 04113 0360 3463 2892 4401 02274 1019 3851 00318 2917 04158 06036 5097 06623 00701 03853 2848 1015 02833 04404 1926 05652 00354 05984 6342 5... | 06377 2560 1654 01352 01600 6285 1662 0956 06371 2853 7006 1617 06006 6370 06621 1284 02842 1633 6052 05079 0354 06291 6309 01642 5683 04441 5985 00709 01612 01958 04788 05705 1573 04113 0360 3463 2892 4401 02274 1019 3851 00318 2917 04158 06036 5097 06623 00701 03853 2848 1015 02833 04404 1926 05652 00354 05984 6342 5... | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | zimmermann | zimmermann | null | {} | hard | en | 127 | 127 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
cda-0008642 | ZBRSEA RAQELCGVBA WF ABG PEBNNA PL NSGGRE SESDHRAQL | ZBRSEA RAQELCGVBA WF ABG PEBNNA PL NSGGRE SESDHRAQL | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | porta | porta | null | {
"key": "JUSTICE"
} | medium | en | 44 | 44 | synthetic_educational | null | null | [] | |
jefferson-disk-v3-0155 | TZKYEZMIZZGMRPIMGKIDYFECDOXWPTDMZHPTTARYQVDTVEKEZOZTRUZNNOIBXXBZYUGOIKHMYD | TZKYEZMIZZGMRPIMGKIDYFECDOXWPTDMZHPTTARYQVDTVEKEZOZTRUZNNOIBXXBZYUGOIKHMYD | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "6,1,4,2,5,3"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
jn25-v3-0023 | 26185 26100 26191 26191 26198 26180 26188 26191 26180 26187 26184 26180 26183 | 26185 26100 26191 26191 26198 26180 26188 26191 26180 26187 26184 26180 26183 | FULL SAIL AHEAD | jn25 | jn25 | codebook | {
"type": "additive",
"value": "16180"
} | expert | en | 65 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0018855 | 2 25 67 1 50 88 23 15 35 45 62 22 43 67 41 34 22 79 48 3 11 49 81 57 25 17 33 82 96 63 88 27 67 23 25 17 66 30 39 87 93 63 88 48 58 14 11 33 50 30 49 99 23 2 3 82 39 24 48 67 58 2 68 26 22 15 21 3 41 63 25 67 39 26 21 80 50 26 61 39 23 60 91 48 3 43 52 93 61 46 66 22 1 70 52 94 33 30 30 40 82 99 49 70 60 34 76 64 14 35... | 2 25 67 1 50 88 23 15 35 45 62 22 43 67 41 34 22 79 48 3 11 49 81 57 25 17 33 82 96 63 88 27 67 23 25 17 66 30 39 87 93 63 88 48 58 14 11 33 50 30 49 99 23 2 3 82 39 24 48 67 58 2 68 26 22 15 21 3 41 63 25 67 39 26 21 80 50 26 61 39 23 60 91 48 3 43 52 93 61 46 66 22 1 70 52 94 33 30 30 40 82 99 49 70 60 34 76 64 14 35... | ATBASH ENCODES BY REVERSING THE ALPHABET HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | homophonic | homophonic | null | {} | hard | en | 191 | 191 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
fialka-v2-0113 | CVWRDHFNSKWNJKHXTGOTNKCSMIRHMMVKTSEUCQMMXWSGJXZPQNVTXWPWYIPUKFTGEBWNSWWMAOFQRVJHQZYGSOITWDTJQKXCSYWAZSHDWDTXCOGXPGODLYJDMAARZFMRZRCATZDFLMYFKAHZESUPSZEGRWICRYQLQBEQMMZBQ | CVWRDHFNSKWNJKHXTGOTNKCSMIRHMMVKTSEUCQMMXWSGJXZPQNVTXWPWYIPUKFTGEBWNSWWMAOFQRVJHQZYGSOITWDTJQKXCSYWAZSHDWDTXCOGXPGODLYJDMAARZFMRZRCATZDFLMYFKAHZESUPSZEGRWICRYQLQBEQMMZBQ | GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD | fialka | fialka | machine | {
"type": "seed",
"value": "MOSCOW"
} | expert | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
cda-0007212 | BCSA FBHEQS GBBYF OYYBJ VARSCNAQNAG INEVSWQOGVBA GVS OENUWGSQGHES FVBHYR ZONN ZVFHFS UOERSE TOVY QNBFNQ VF O CBFGHES ABG O FYBUOA GBZBEEBJ | BCSA FBHEQS GBBYF OYYBJ VARSCNAQNAG INEVSWQOGVBA GVS OENUWGSQGHES FVBHYR ZONN ZVFHFS UOERSE TOVY QNBFNQ VF O CBFGHES ABG O FYBUOA GBZBEEBJ | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER FAIL CLOSED IS A POSTURE NOT A SLOGAN TOMORROW | porta | porta | null | {
"key": "JUSTICE"
} | hard | en | 118 | 118 | synthetic_educational | null | null | [] | |
geheimschreiber-v2-0351 | AETLHTNUZNKCIISNZYMLQRUOXWTSUEMUTNKRYUXYTEULNODTGJOKUDJHJCTAAUBUFWLBTGDIY | AETLHTNUZNKCIISNZYMLQRUOXWTSUEMUTNKRYUXYTEULNODTGJOKUDJHJCTAAUBUFWLBTGDIY | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0121 | ACMICEPJIRZKCCXOZHLFLUKRGSSVIFWRNYQKOOVJZCMRXXMDKBBTWYLHWSHBQYZKLXHDKSMJOIPIEJHDRAXUDSLINGWUVUHSSSVCDXWDNFURBSNWPGSXEQYIZWWRSHNOCKMHUEOTFMUUVSTLWZSJQU | ACMICEPJIRZKCCXOZHLFLUKRGSSVIFWRNYQKOOVJZCMRXXMDKBBTWYLHWSHBQYZKLXHDKSMJOIPIEJHDRAXUDSLINGWUVUHSSSVCDXWDNFURBSNWPGSXEQYIZWWRSHNOCKMHUEOTFMUUVSTLWZSJQU | AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 150 | 150 | cipher_museum | 2.0 | public | null | null |
cda-0016350 | 42 34 45 44 15 13 24 35 23 15 42 43 42 15 11 14 11 22 42 24 14 24 33 11 35 42 15 43 13 42 24 12 15 14 22 15 34 32 15 44 42 24 13 35 11 44 44 15 42 33 | 42 34 45 44 15 13 24 35 23 15 42 43 42 15 11 14 11 22 42 24 14 24 33 11 35 42 15 43 13 42 24 12 15 14 22 15 34 32 15 44 42 24 13 35 11 44 44 15 42 33 | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | polybius | polybius | null | {} | medium | en | 50 | 50 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
vernam-055 | ZRQWXETLUQLB | ZRQWXETLUQLB | ATTACK AT DAWN | vernam | vernam | stream | {
"type": "pad",
"value": "ZYXWVUTS (repeating)"
} | expert | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
enigma-v3-0763 | YIMCQGBNGIFBH | YIMCQGBNGIFBH | THE APPLE FALLS | enigma | enigma | machine | {
"type": "rotor_start",
"value": "VWX"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0227 | 04 05 21 20 19 03 08 12 01 14 04 21 02 05 18 01 12 12 05 19 64 04 05 18 23 05 12 20 23 05 14 14 05 19 19 20 05 20 19 26 21 19 03 08 21 20 26 21 14 04 20 18 21 20 26 05 02 18 04 05 18 12 09 03 08 26 21 19 01 13 13 05 14 08 12 20 | 04 05 21 20 19 03 08 12 01 14 04 21 02 05 18 01 12 12 05 19 64 04 05 18 23 05 12 20 23 05 14 14 05 19 19 20 05 20 19 26 21 19 03 08 21 20 26 21 14 04 20 18 21 20 26 05 02 18 04 05 18 12 09 03 08 26 21 19 01 13 13 05 14 08 12 20 | DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 152 | 227 | cipher_museum | 2.0 | public | null | null |
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